Strengthening the RCC side walls and cover slab of cooling water intake channel 2 from CH 0 mtr to CH 175 mtr from the Peripheral compound wall towards Yellow gate in Skimmer Bay 2 at ECHS area

Amount

Earth work excavation and depositing on bank with initial lead of 10m and initial lift of 2m in sand, silt or other loose soil wet sand or silt not under water light block cotton soil sandy loam and ordinary soil including excavated earth

Clearing the juliflora jungle with uprooting & disposing and clearing away the jungle through tractor including loading transporting and unloading with a lead of 1 km including cost of labour T&P etc., complete.

Removing the spalled /distressed RCC from the existing concrete for an average thickness of 75mm and disposal of debris with a lead of 1 km and roughening the surface thoroughly with Reebaklens fosroc acid / equivalent with all lead, lift, labour, etc complete.

Supplying and providing RTS reinforcement including cutting, bending, tying, fixing in position rate including cost of all labour, materials, lead, lift, etc., complete.

Micro Concrete for RCC slab without shuttering a) Applying One coat of Nito Zinc/equivalent primer after thorough cleaning of rust in the reinforcement rate including cost of all materials, labour, lead, lift etc., complete as directed by the Engineer at site. B) Providing micro concrete using Rendroc RG (or) equivalent as per manufactures specifications This mixed micro concrete should be placed continuously for an average thickness of 75mm including cost of all materials, labour, lead, lift, etc., complete as directed by the Engineer at site. C) Applying One coat of Polymer modified Acrylic Emulsion (Nito bond AR or equivalent) on the finished concrete surface as a curing membrane etc., including cost of all materials, labour, lead, lift etc., complete as directed by the Engineer at site.

Micro Concrete for RCC wall with shuttering a) Applying One coat of Nito Zinc/equivalent primer after thorough cleaning of rust in the reinforcement rate including cost of all materials, labour, lead, lift etc., complete as directed by the Engineer at site. B) Providing fabricating and erecting slurry tight from work with plywood shutters with suitable supports, which do not deform side walls including cost of all materials, labour, lead, lift, etc., complete as directed by the Engineer at site. C) Providing micro concrete using Rendroc RG (or) equivalent as per manufacturer’s specifications. This mixed micro concrete should be placed continuously for an average thickness of 75mm including cost of all materials, labour, lead, lift, etc., complete as directed by the Engineer at site. d) Applying One coat of Polymer modified Acrylic Emulsion (Nito bond AR or equivalent) in the walls etc., including cost of all materials, labour, lead, lift etc., complete as directed by the Engineer at site.

Dismantling the existing RCC including cost of labours, lead, lift, etc., complete.

Supplying, cutting, bending and tying in position wherever necessary using G.I. weld mesh of size 7.50 x 5 cm 10 Gauge to the existing concrete surface prepared as per specification rate including transporting, fabricating, bending and tying in position, etc complete, and as directed by the Engineer at site.

Providing RCC 1:1.5:3 using OP/PP cement with 12 to 20mm metal including cost of all materials, labours, lead, lift, curing, etc. complete - excluding cost of reinforcement but including shuttering arrangements.

Providing two coats of epoxy coatings with Nito-Cote ET 550/equivalent as protective coat over RCC Slab and Walls outside including cleaning the surface by brush and cloth, cost of all materials, labour, lead, lift, tools & plants, etc., complete.

M.VELLATHURAI